Electronic plug-in and crimping terminal thereof

Abstract

The invention provides an electronic plug-in and a crimping terminal thereof, the crimping terminal comprises two opposite surfaces, a crimping part, a base part and a buffer structure, the crimping part and the base part are respectively located at two opposite ends of the crimping terminal, the buffer structure comprises at least two connecting parts which are spaced, each connecting part comprises at least two connecting arms which are connected, and the connecting arms are connected with the crimping part. Each connecting arm is formed by linearly extending, the connecting arms of the two connecting parts surround to form a closed polygonal hole penetrating through the two surfaces of the crimping terminal, a buffer structure is formed through simple appearance design, and the crimping terminal can be manufactured only through punching shear processing, so that the manufacturing difficulty and the production cost of the crimping terminal are greatly reduced, and the production efficiency of the crimping terminal is improved. And the finished product size of the crimping terminal and the deformation degree during buffering are easy to control.

Description

Technical Field

[0001] This invention relates to a conductive connection device, and more particularly to a crimp terminal and an electronic plug having the crimp terminal. Background Technology

[0002] Crimped terminals are a common structure in electronic component assembly. To prevent damage to the crimped terminals due to excessive force during crimping, a buffer structure is usually provided between the base of the crimped terminal installed in the housing of the electronic component and the crimping part that crimps with the crimping hole to prevent damage to the crimped terminal due to force.

[0003] One existing cushioning structure for crimp terminals is formed by bending the terminal body in its thickness direction to increase elasticity and provide cushioning. Another existing cushioning structure further bends the terminal body at various angles, which also improves the elasticity and cushioning effect of the cushioning structure, allowing the crimp terminal to withstand greater forces during crimping. However, the above-mentioned existing cushioning structures have the following drawbacks:

[0004] 1. Although the buffer structure formed by bending in the thickness direction can increase elasticity, uneven stress may occur on the crimped terminal in the thickness direction during crimping, which may cause the structure to be easily skewed.

[0005] 2. If the buffer structure is bent at multiple angles, it can compensate for the uneven force on the crimped terminal. However, the structure with multiple angles has problems such as high manufacturing difficulty, more processes, and increased production costs. Moreover, it is difficult to control the finished size of the crimped terminal and the degree of deformation during buffering when bending at different angles. Summary of the Invention

[0006] In order to overcome the defects of existing cushioning structures of crimp terminals, the present invention aims to provide a crimp terminal that can reduce the difficulty of processing and manufacturing, and make it easier to control the finished product size and the degree of deformation during cushioning, as well as an electronic plug-in having the crimp terminal.

[0007] The crimp terminal proposed by the present invention to solve the technical problem has a first end and a second end extending along an insertion direction, and includes:

[0008] Two surfaces are arranged opposite each other along a thickness direction that intersects the insertion direction;

[0009] A crimping portion is located at the first end;

[0010] A base, which is located at the second end; and

[0011] A buffer structure comprising at least two spaced-apart connecting portions, each connecting portion being connected between the base and the crimping portion, and each connecting portion having at least two connected connecting arms extending linearly, wherein the connecting arms of the two connecting portions surround to form a closed polygonal hole, the polygonal hole penetrating the two surfaces along the thickness direction.

[0012] The present invention further proposes an electronic plug-in to solve the technical problem, which includes:

[0013] A shell; and

[0014] The crimp terminal as described above is mounted inside the housing with the base and the buffer structure.

[0015] The improved effects achievable by the technical means of this invention are as follows:

[0016] 1. Since the polygonal hole of the buffer structure penetrates both surfaces of the crimp terminal, when the connecting arm of the buffer structure is subjected to force, the force tends to be transmitted in a direction parallel to the two surfaces. There is less uneven force in the thickness direction, making the buffer structure less prone to structural skewing.

[0017] 2. As mentioned above, the buffer structure adopts a simple shape design such as the connecting arm and the polygonal hole to increase elasticity and buffering effect. The buffer structure can be completed by punching and shearing, which can effectively reduce production difficulty and production cost, and make it easier to control the size and deformation of the finished product.

[0018] Therefore, the present invention can provide a crimp terminal that is not easily skewed under stress, has low manufacturing difficulty and production cost, and whose finished product size and deformation degree are easy to control, as well as an electronic plug-in containing the crimp terminal. Attached Figure Description

[0019] Figure 1 This is a perspective view of the crimp terminal according to a first preferred embodiment of the present invention.

[0020] Figure 2 This is a front view of the crimp terminal of the first preferred embodiment of the present invention.

[0021] Figure 3 This is a side view of the crimp terminal of the first preferred embodiment of the present invention.

[0022] Figure 4 This is a schematic diagram illustrating the operation of inserting a crimp terminal into a crimp hole according to a first preferred embodiment of the present invention.

[0023] Figure 5 This is a cross-sectional schematic diagram of the electronic plug-in according to the first preferred embodiment of the present invention.

[0024] Figure 6 This is a perspective view of the crimp terminal according to a second preferred embodiment of the present invention.

[0025] Figure 7 This is a front view of the crimp terminal of the second preferred embodiment of the present invention.

[0026] Figure 8 This is a perspective view of the crimp terminal according to the third preferred embodiment of the present invention.

[0027] Figure 9 This is a front view of the crimp terminal of the third preferred embodiment of the present invention.

[0028] Figure 10 This is a front view of a comparative example of a crimp terminal.

[0029] Figure 11 These are the first to third preferred embodiments of the present invention and Figure 10 A graph showing the relationship between the length variation and force of the crimped terminal in the comparative example.

[0030] Figure 12 These are the first to third preferred embodiments of the present invention and Figure 10 A graph showing the relationship between the end displacement and force of the crimped terminal in the comparative example.

[0031] Figure 13 These are the first to third preferred embodiments of the present invention and Figure 10 A graph showing the relationship between displacement and force at the first connection point of the crimped terminal in a comparative example.

[0032] Figure 14 These are the first to third preferred embodiments of the present invention and Figure 10 A graph showing the relationship between the displacement and force at the second connection point of the crimped terminal in a comparative example. Detailed Implementation

[0033] To gain a detailed understanding of the technical features and practical effects of the present invention, and to enable its implementation according to the invention, the preferred embodiments shown in the figures are further described in detail below:

[0034] like Figures 1 to 3 As shown, the first preferred embodiment of the present invention provides a crimp terminal 10, which includes two opposing surfaces 11, a crimping portion 20, a base 30, and a buffer structure 40.

[0035] like Figures 1 to 3As shown, the crimp terminal 10 extends along an insertion direction D1 and has a first end and a second end that are positioned opposite each other. The first end of the crimp terminal 10 defines an endpoint E. The crimping portion 20 and the base portion 30 are respectively located at the first end and the second end of the crimp terminal 10. The buffer structure 40 is located between the crimping portion 20 and the base portion 30. The end of the buffer structure 40 near the crimping portion 20 defines a first connection point C1, and the connection point between the buffer structure 40 and the base portion 30 defines a second connection point C2.

[0036] like Figures 1 to 3 As shown, the two surfaces 11 of the crimp terminal 10 are disposed opposite each other along a thickness direction D2 that intersects the insertion direction D1. The two surfaces 11 cover at least the area from the crimp portion 20 to the buffer structure 40.

[0037] like Figure 2 and Figure 3 As shown, the buffer structure 40 includes two spaced-apart connecting portions, each connecting portion being connected between the base 30 and the crimping portion 20, and each connecting portion having two connected connecting arms, namely a first connecting arm 41A and a second connecting arm 41B, each connecting arm being linearly extended, the second connecting arm 41B being connected between the first connecting arm 41A and the base 30, and the first connecting arm 41A and the second connecting arm 41B of the two connecting portions forming a closed polygonal hole 42, the polygonal hole 42 penetrating the two surfaces 11 along the thickness direction D2.

[0038] Specifically, such as Figure 2 As shown, the crimp terminal 10 defines a central axis C along the insertion direction D1. L The crimping portion 20, the buffer structure 40, and the base portion 30 are along the central axis C. L The polygonal hole 42 is arranged such that it is located on the central axis C. L Above, and the connecting arms of each connecting part are offset from the central axis C. L .

[0039] When manufacturing the crimp terminal 10, a sheet metal is stamped to form the crimp terminal 10. The sheet metal has two opposing upper and lower surfaces. The sheet metal is then punched and sheared (i.e., punched and sheared) to cut the sheet metal into the shape of the crimp terminal 10. The upper and lower surfaces of the sheet metal respectively form the two surfaces 11 of the crimp terminal 10. During the punching and shearing process, the connecting arm, the polygonal hole 42, and other structures are simultaneously cut out, and the buffer structure 40 is processed concurrently. Then, the crimping part 20, the base 30, or the buffer structure 40 can be simply processed and adjusted as needed to complete the crimp terminal 10.

[0040] With the simple design of the buffer structure 40, which uses the connecting arm to form the polygonal hole 42 and the polygonal hole 42 penetrating the two surfaces 11, the buffer structure 40 can be roughly made through simple punching and shearing steps when manufacturing the crimp terminal 10, which can effectively reduce the difficulty of manufacturing the crimp terminal 10 and reduce production costs.

[0041] In other embodiments, each connecting portion may also include three or more connecting arms to surround and form polygonal holes 42 of different shapes, or the buffer structure 40 may also include three or more connecting portions. As long as the connecting arms of any two adjacent connecting portions surround and form a closed polygonal hole 42 that penetrates the two surfaces 11, the aforementioned advantages such as reducing processing difficulty and reducing production costs can be achieved. Therefore, the number of connecting portions and connecting arms is not limited to the first preferred embodiment of the present invention.

[0042] Furthermore, in the first preferred embodiment of the present invention, the buffer structure 40 is formed between the two surfaces 11, that is, between the upper and lower surfaces of the plate being punched and sheared. The buffer structure 40 can be directly formed after punching and shearing the plate, eliminating other processing and adjustment steps. Furthermore, the pressing part 20 is also formed between the two surfaces 11. During the process of force being transmitted from the pressing part 20 to the buffer structure 40, it is transmitted between the two opposing surfaces 11, which can improve the stability under stress.

[0043] like Figure 4 As shown, the manufactured crimp terminal 10 is used to connect to a crimp hole 91 to form an electrical signal and structural connection. The crimp hole 91 can be located on a printed circuit board (PCB), but is not limited thereto. First, the crimp terminal 10 and the crimp hole 91 are moved relative to each other, so that the crimp terminal 10 is inserted into the crimp hole 91 along the insertion direction D1. During the process, the crimping part 20 of the crimp terminal 10 will collide with the structure of the edge of the crimp hole 91, so that the crimp terminal 10 is subjected to a force F along the insertion direction D1. At this time, the elastic deformation of the buffer structure 40 can provide an appropriate buffering effect corresponding to the force F.

[0044] Specifically, by extending linearly and deviating from the central axis C L When the force F is transmitted from the crimping part 20 to the connecting arm, a component force is generated. Combined with the polygonal hole 42 penetrating the two surfaces 11, the structural strength is weakened and the elasticity is increased, so that the buffer structure 40 can be elastically deformed, thereby producing a buffering effect and preventing the structure of the crimping terminal 10 from being damaged by the force F.

[0045] Compared to existing crimp terminals whose buffer structures are formed through different bending methods, resulting in difficulties in manufacturing, higher production costs, and challenges in controlling the finished size and deformation of the crimp terminals, the crimp terminal 10 provided by this invention has the following advantages:

[0046] 1. Since the polygonal hole 42 of the buffer structure 40 passes through the two surfaces 11 that are arranged opposite each other along the thickness direction D2, when the connecting arm of the buffer structure 40 is subjected to force, the force tends to be transmitted in a direction parallel to the two surfaces 11. The buffer structure 40 is less likely to be subjected to uneven force in the thickness direction D2, and therefore the structure of the buffer structure 40 is less likely to be skewed.

[0047] 2. Since the buffer structure 40 adopts a simple outline design such as the linear connecting arm and the polygonal hole 42 to increase elasticity for buffering, the buffer structure 40 can be made by punching and shearing, and can be completed together with the shape cutting operation of the crimp terminal 10, which can greatly reduce the manufacturing difficulty of the crimp terminal, reduce manufacturing steps, and thus reduce production costs.

[0048] 3. Since the buffer structure 40 adopts a simple outline design and can be manufactured by punching and shearing, the feasibility of the crimp terminal 10 and the stability of the finished product are relatively high, and the finished size of the crimp terminal 10 and the degree of elastic deformation at the buffer structure 40 are also relatively easy to control.

[0049] Therefore, the present invention provides a crimp terminal 10 that is less prone to structural distortion under stress, has low manufacturing difficulty and production cost, and whose finished product size and the degree of deformation of the buffer structure 40 are easier to control.

[0050] like Figures 1 to 3 As shown, the base 30 further includes a base 31 and a bracket 32, with both ends of the bracket 32 ​​connected to the buffer structure 40 and the base 31, respectively. Figure 2 As shown, each connecting arm of the buffer structure 40 has a width, and the bracket 32 ​​also has a width. The width of the bracket 32 ​​is greater than the width of each connecting arm of the buffer structure 40. By having each connecting arm with a smaller width, the structural strength of the buffer structure 40 is weakened, thereby ensuring the elastic deformation and buffering effect of the buffer structure 40.

[0051] In a first preferred embodiment of the present invention, all the connecting arms of the buffer structure 40, namely the first connecting arm 41A and the second connecting arm 41B, have a width of a first width W1. Therefore, when the force F of the crimp terminal 10 is transmitted to the buffer structure 40, the cross-sectional area of ​​the connecting arms bearing the force is more consistent, and the force distribution is more even, thus preventing structural distortion. Furthermore, the width of the bracket 32 ​​is a second width W2, where the first width W1 is smaller than the second width W2 (W1 < W2). <W2)。

[0052] Furthermore, the ratio of the first width W1 to the second width W2 is between 0.35 and 0.8, including the endpoint (0.35 ≤ W1 / W2 ≤ 0.8). This ensures the elastic deformation and cushioning effect of the buffer structure 40, while preventing the connecting arms 41A and 41B from being too thin, thus avoiding the buffer structure 40 from being too fragile and breaking. In other embodiments, even if the widths of the connecting arms 41A and 41B are not equal, as long as the ratio of the widths of the connecting arms 41A and 41B to the second width W2 falls within the above range, the structural strength of the buffer structure 40 can be ensured to meet the cushioning requirements.

[0053] like Figure 2 As shown, preferably, the two connecting parts of the buffer structure 40 are centered on the central axis C. L By being centrally symmetrically arranged, the force F transmitted to the buffer structure 40 is evenly borne by the two connecting parts, making the buffer structure 40 more stable during the buffering process and further reducing the risk of damage to the buffer structure 40. In other embodiments, the number of connecting parts may also be 4, 6, or 8, as long as the buffer structure 40 contains an even number of connecting parts and the connecting parts are centered on the central axis C. L As it is centrally symmetrically arranged, the force F can be generated by the central axis C. L The connecting parts on both sides bear the load evenly, achieving a stable structure, but are not limited to the two connecting parts described in the first preferred embodiment of the present invention.

[0054] In addition, such as Figure 2 As shown, a first included angle θ1 is formed between the first connecting arms 41A of the two connecting parts, and a second included angle θ2 is formed between the first connecting arm 41A and the second connecting arm 41B. The sum of the first included angle θ1 and the two second included angles θ2 is designed to be between 90° and 360°, including the endpoint value (90°≤θ1+2*θ2≤360°). By using appropriate angles, the buffer structure 40 can have a shape suitable for elastic deformation. For example, in the first preferred embodiment of the present invention, the sum of the first included angle θ1 and the two second included angles θ2 is greater than 180° (θ1+2*θ2>180°), and the buffer structure 40 is as follows. Figure 2 The image shown is in the shape of a kite.

[0055] like Figure 2 and Figure 3 As shown, more preferably, the base 31 of the base 30, the buffer structure 40, and the crimping portion 20 are arranged along the insertion direction D1, while the support 32 of the base 30 is bent toward the thickness direction D2. Specifically, after the outer shape of the crimping terminal 10, the buffer structure 40, and the crimping portion 20 are formed by punching and shearing, the second end of the crimping terminal 10 is simply bent toward the thickness direction D2, which can form the base 31 and the support 32 without increasing too many processes and manufacturing difficulty.

[0056] By bending the support 32 of the base 30, an additional elastic deformation structure can be provided between the buffer structure 40 and the base 31 of the base 30, improving the overall buffering performance of the crimp terminal 10. In addition, the support 32 can be connected to the center of the base 31 to ensure that the force F when the crimping hole 91 is inserted is transmitted from the first end of the crimp terminal 10 to the second end without skewing, thus ensuring the overall structural stability of the crimp terminal 10.

[0057] like Figure 5 As shown, the first preferred embodiment of the present invention further provides an electronic plug-in, which includes a housing 90 and a plurality of the aforementioned crimp terminals 10, the plurality of crimp terminals 10 being disposed at intervals in the housing 90, and each of the crimp terminals 10 being mounted in the housing 90 by the base 30 and the buffer structure 40.

[0058] In addition, the electronic plug-in can be a press-fit connector, such as a one-wire to board connector (WTB connector), a one-board to board connector (BTB connector), or a pin header, but is not limited to the above. By installing several of the aforementioned press-fit terminals 10, the electronic plug-in also has the advantages of lower manufacturing difficulty and production cost.

[0059] Please see Figure 6 and Figure 7 As shown, the second preferred embodiment of the present invention provides another crimp terminal 10A, which differs from the first preferred embodiment of the present invention in that: the sum of the first included angle θ1 and the two second included angles θ2 is 180° (θ1+2*θ2=180°), the buffer structure 40A is a triangle, and the second connecting arms 41B of the two connecting parts are connected in a straight line.

[0060] Please see Figure 8 and Figure 9As shown, the third preferred embodiment of the present invention provides another crimp terminal 10B, which differs from the first preferred embodiment of the present invention in that: the sum of the first included angle θ1 and the two second included angles θ2 is less than 180° (θ1+2*θ2<180°), and the buffer structure 40B is in the shape of an arrow symbol.

[0061] To verify the buffering effect of the buffer structures 40, 40A, and 40B of the crimp terminals 10, 10A, and 10B provided by the present invention, the following describes three preferred embodiments of the present invention with... Figure 10 A comparison is made with the crimp terminal 50 of a comparative example shown, wherein the crimp terminal 50 of the comparative example does not have the buffer structures 40, 40A, 40B of the present invention designed, and only a straight structure 60 extending along the insertion direction D1 is designed between the base 30 and the crimp portion 20, without having the buffer structures 40, 40A, 40B of the present invention.

[0062] Computer-aided engineering (CAE) simulations were performed on the crimp terminals 10, 10A, and 10B of the present invention and the crimp terminal 50 of the comparative example to simulate the force F and structural deformation experienced when inserted into the crimp hole 91. Figure 2 , Figure 7 , Figure 9 and Figure 10 As shown, the CAE simulation analysis shows the relationship between the force F and the changes in the length L of the crimp terminals 10, 10A, and 10B, the displacement of the endpoint E, the displacement of the first connection point C1, and the displacement of the second connection point C2.

[0063] Among them, such as Figures 11 to 14 As shown, the CAE simulation above analyzed six types of crimp terminals to obtain six sets of data. In the six types, the length L of crimp terminals 10, 10A, 10B, and 50 before deformation was 14.184 mm. Three of these types represent different shapes of the buffer structures 40, 40A, and 40B in the first, second, and third preferred embodiments of the present invention. Under the same width ratio, the first width W1 (width of the connecting arm) is 0.35 mm, the second width W2 (width of the bracket 32) is 0.64 mm, and the ratio of twice the first width W1 to the second width W2 is 1.1 (2W1 / W2 = 1.1). Furthermore, the second included angle θ2 in the first preferred embodiment of the present invention is 105°, the second included angle θ2 in the second preferred embodiment is 65°, and the second included angle θ2 in the third preferred embodiment is 55°.

[0064] Another state is Figure 10In the comparative example shown, the width of the straight structure 60 is equivalent to the second width W2 of the pattern in the aforementioned preferred embodiment, which is 0.64 mm.

[0065] The remaining two patterns are the shapes of the buffer structure 40 of the first preferred embodiment of the present invention, using different width ratios. The difference from the aforementioned patterns is that the first width W1 is 0.3 mm and 0.32 mm respectively. Correspondingly, the ratio of twice the first width W1 to the second width W2 is 0.94 and 1 respectively (2W1 / W2 = 0.94; 2W1 / W2 = 1).

[0066] Please see Figure 11 The curves showing the change of the force F and the length L of the crimp terminals 10, 10A, 10B, and 50 show that, since the buffer structures 40, 40A, and 40B are not provided, the shortening of the length L of the crimp terminal 50 in this comparative example, i.e., the deformation of the crimp terminal 50, is relatively limited and cannot provide sufficient buffering effect. Furthermore, when the force F exceeds 68 Newtons, the crimping part 20 will be squeezed and deformed by the crimping hole 91, causing the crimp terminal 50 to elongate instead, resulting in the length L exceeding the original value, i.e., the crimp terminal 50 is damaged.

[0067] In contrast, the three preferred embodiments of the present invention utilize the elastic deformation of the buffer structures 40, 40A, and 40B as a buffer. The shortening of the length L of the crimp terminals 10, 10A, and 10B is much greater than the shortening of the length L of the crimp terminal 50 in the comparative example. The buffer structures 40, 40A, and 40B approach the limit of elastic deformation only when the crimping portion 20 is compressed and deformed, causing the length L of the crimp terminals 10, 10A, and 10B to increase. Furthermore, the length L does not exceed its original value until the force F reaches 100 Newtons. Therefore, the upper limit of the force F on the crimp terminals 10, 10A, and 10B is greater. Thus, the buffer structures 40, 40A, and 40B can reliably prevent structural damage to the crimp terminals 10, 10A, and 10B due to the force F during insertion.

[0068] The shortening range of the length L, i.e. the amount of deformation, from largest to smallest, are as follows: the first preferred embodiment (kite shape), the second preferred embodiment (triangle shape), and the third preferred embodiment (arrow symbol). It can be seen that, in terms of buffering performance, the shape of the buffer structure 40 in the first preferred embodiment of the present invention is the optimal among the crimping terminals 10, 10A, and 10B of the three preferred embodiments of the present invention.

[0069] Furthermore, comparing the data of the three different width ratios of the first preferred embodiment of the present invention, it can be seen that when the first width W1 is smaller (i.e., the smaller 2W1 / W2), the shortening of the length L of the crimp terminal 10 is greater, that is, the elastic deformation of the buffer structure 40 is greater, and the force F required to reach the elastic deformation limit of the buffer structure 40 is greater, that is, the upper limit of the force F of the crimp terminal 10 is higher. The width of the connecting arm can be designed according to the requirements without making the structure fragile, thereby adjusting the buffering capacity of the buffer structure 40.

[0070] Please see Figure 12 The graph shown represents the force F and the displacement of the endpoint E. The displacement of endpoint E refers to the distance moved towards the base 31 of the base 30. It can also represent different overall deformations of the crimp terminals 10, 10A, 10B, and 50. Since the buffer structures 40, 40A, and 40B are not provided, the displacement of endpoint E of the crimp terminal 50 in this comparative example is only about 0.01 to 0.02 mm. As mentioned above, because the crimping part 20 is deformed by compression after the force F exceeds 68 Newtons, the displacement of endpoint E decreases accordingly. In fact, because the length L of the crimp terminal 50 exceeds the original value, endpoint E may even exhibit a displacement in the opposite direction (away from the base 31 of the base 30).

[0071] In the three preferred embodiments of the present invention, the crimp terminals 10, 10A, and 10B are buffered by the elastic deformation of the buffer structures 40, 40A, and 40B. The displacement of the endpoint E can reach more than 0.03 mm, which shows that the crimp terminal 50 of the comparative example does have better elastic deformation and buffering capacity. In addition, comparing the data of the three different width ratios of the first preferred embodiment of the present invention, the smaller the first width W1 (the smaller 2W1 / W2), the greater the displacement of the endpoint E, that is, the greater the overall deformation of the crimp terminal 10, and the greater the upper limit of the force F of the crimp terminal 10, making it less prone to structural damage.

[0072] Please see Figure 13The graph shown represents the force F and the displacement of the first connection point C1. The displacement of the first connection point C1 is directed towards the base 31 of the base 30. By comparing the displacement of the first connection point C1 at the top of the buffer structures 40, 40A, and 40B, the deformation amounts produced by the buffer structures 40, 40A, and 40B can be compared. In the three preferred embodiments of the present invention, the displacement of the first connection point C1 can reach more than 0.045 mm. Compared to the first connection point C1 of the crimp terminal 50 in the comparative example, which has a displacement of only about 0.01 mm at the top of the straight structure 60, the deformation amount of the buffer structures 40, 40A, and 40B can be increased by more than four times. Comparing the data of the three different width ratios of the first preferred embodiment of the present invention, as mentioned above, the smaller the first width W1, the larger the displacement of the first connection point C1, that is, the stronger the elastic deformation and buffering capacity of the buffer structure 40.

[0073] Figure 14 The diagram shows the relationship between the applied force F and the displacement of the second connection point C2 of the crimp terminals 10, 10A, 10B, and 50. The displacement of the second connection point C2 refers to the direction towards the base 31 of the base 30. The elastic deformation of the base 30 can be obtained through the displacement of the second connection point C2. (See also: Comprehensive reference) Figure 12 , Figure 13 and Figure 14 Thus, the relationship between the overall deformation of the crimp terminals 10, 10A, and 10B, the deformation of the buffer structures 40, 40A, and 40B together with the base 30, and the deformation of the base 30 alone can be obtained.

[0074] Depend on Figures 12 to 14 It can be seen that the displacement of the second connection point C2 is at most about 0.01 mm, while the displacement of the first connection point C1 is at least 0.045 mm. Therefore, the overall deformation of the crimp terminals 10, 10A, and 10B mainly comes from the deformation generated by the buffer structures 40, 40A, and 40B. Furthermore, compared to the crimp terminal 50 of the comparative example, the increase in the displacement of the endpoint E of the crimp terminals 10, 10A, and 10B in the three preferred embodiments of the present invention is basically due to the increase in the displacement of the first connection point C1, that is, the increase in the deformation of the buffer structures 40, 40A, and 40B. The crimp terminals 10, 10A, and 10B of the present invention do indeed increase their elastic deformation and buffering capacity through the buffer structures 40, 40A, and 40B, thereby achieving the effect of avoiding structural damage.

[0075] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Any person skilled in the art who makes partial modifications or alterations to the technical content disclosed in the present invention without departing from the scope of the technical solution of the present invention shall still fall within the scope of the technical solution of the present invention.

Claims

1. A crimp terminal, characterized in that, Extending along an insertion direction and having opposing first and second ends, and comprising: Two surfaces are arranged opposite each other along a thickness direction that intersects the insertion direction; A crimping portion is located at the first end; A base, which is located at the second end; and A buffer structure comprising at least two spaced-apart connecting portions, each connecting portion being connected between the base and the crimping portion, and each connecting portion having at least two connected connecting arms, each connecting arm being linearly extended, wherein the connecting arms of the two connecting portions surround to form a closed polygonal hole, the polygonal hole penetrating the two surfaces along the thickness direction.

2. The crimp terminal as described in claim 1, characterized in that, The base includes a base and a bracket. The two ends of the bracket are respectively connected to the buffer structure and the base. Each connecting arm of the buffer structure has a width, and the bracket has a width greater than the width of each connecting arm of the buffer structure.

3. The crimp terminal as described in claim 2, characterized in that, The ratio of the width of each connecting arm of the buffer structure to the width of the bracket is between 0.35 and 0.8, including the endpoint values.

4. The crimp terminal as described in claim 2, characterized in that, All the connecting arms of the buffer structure have the same width.

5. The crimp terminal as described in any one of claims 1 to 4, characterized in that, The crimp terminal has a central axis extending along the insertion direction, and the number of at least two connecting parts is even, and the at least two connecting parts are arranged symmetrically about the central axis.

6. The crimp terminal as described in claim 5, characterized in that, The buffer structure includes two connecting portions, each of which includes two connecting arms, namely a first connecting arm and a second connecting arm. The second connecting arm is connected between the first connecting arm and the base. A first angle is formed between the first connecting arms of the two connecting portions, and a second angle is formed between the first connecting arm and the connected second connecting arm. The sum of the first angle and the two second angles is between 90° and 360°, including the endpoint values.

7. The crimp terminal as described in claim 6, characterized in that, The sum of the first included angle and the two second included angles is greater than 180°.

8. The crimp terminal as described in claim 6, characterized in that, The sum of the first included angle and the two second included angles is equal to 180°.

9. The crimp terminal as described in claim 1, characterized in that, The base includes a base and a bracket. The two ends of the bracket are respectively connected to the buffer structure and the base. The base, the buffer structure and the crimping part of the base are arranged along the insertion direction, and the bracket of the base is bent toward the thickness direction.

10. An electronic plug-in, characterized in that, Include: A shell; and The crimp terminal as described in any one of claims 1 to 9 is mounted in the housing with the base and the buffer structure.

Images